论文标题
Fabchain：通过区块链管理可审计的3D打印作业
Fabchain: Managing Audit-able 3D Print Job over Blockchain
论文作者
论文摘要
诸如3D打印机之类的制造设备的改进变得有可能自由制造任何产品。为了澄清谁对产品负责，制造商应以不可变和可持续的方式保持制造历史记录。在本文中，我们提出了一个新方案“ Fabchain”，可以以这种方式记录制造历史记录。通过利用将区块链用作可审计通信渠道的计划，Fabchain可以在区块链上为制造商的3D打印机管理打印作业，同时保持打印作业的历史记录。我们在以太坊上实施了Fabchain，并评估了记录印刷作业的性能。我们的结果表明，Fabchain可以在以太坊测试网络上不到1分钟的时间内完成打印作业序列的交流。我们得出的结论是，Fabchain可以在合理的持续时间内管理印刷作业，以用于3D打印，同时满足对不变性和可持续性的要求。
Improvements in fabrication devices such as 3D printers are becoming possible for personal fabrication to freely fabricate any products. To clarify who is liable for the product, the fabricator should keep the fabrication history in an immutable and sustainably accessible manner. In this paper, we propose a new scheme, "Fabchain," that can record the fabrication history in such a manner. By utilizing a scheme that employs a blockchain as an audit-able communication channel, Fabchain manages print jobs for the fabricator's 3D printer over the blockchain, while maintaining a history of a print job. We implemented Fabchain on Ethereum and evaluated the performance for recording a print job. Our results demonstrate that Fabchain can complete communication of a print job sequence in less than 1 minute on the Ethereum test network. We conclude that Fabchain can manage a print job in a reasonable duration for 3D printing, while satisfying the requirements for immutability and sustainability.
